Tumbler



FIG. 1 is a perspective view of a first embodiment of a tumbler;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a perspective view of a second embodiment of a tumbler;

FIG. 9 is a front view thereof;

FIG. 10 is a rear view thereof;

FIG. 11 is a left side view thereof;

FIG. 12 is a right side view thereof;

FIG. 13 is a top view thereof; and,

FIG. 14 is a bottom view thereof.

The broken lines showing in the figures are included for the purpose of illustrating portions of the tumbler that form no part of the claimed design. The dash-dot lines showing in the figures are included for defining the bounds of the claimed design that form no part thereof. The tumbler is shown with a symbolic break in its length. The appearance of any portion of the article between the break lines forms no part of the claimed design. 

CLAIM The ornamental design for a tumbler, as shown and described. 